Line a baking sheet with parchment paper and set aside.
Add popcorn to a large mixing bowl.
10 cup popcorn
Microwave candy melts according to package directions and pour over popcorn.
10 oz black candy melts
Stir well to evenly coat popcorn.
Spread mixture onto prepared baking sheet and immediately top with sprinkles, stars, candies, and jimmies. Let cool to harden completely or pop into the fridge to speed up the process.
1 tbsp Wilton Silver Stars, 1 tbsp blue nonpareils, 1 tbsp White Pearlized Jimmies, 1 tbsp Shimmer Rock Candy
Once the popcorn is hard, break apart popcorn into smaller pieces and stir in marshmallows and Sixlets.